The character of Brooke Davis in the enduring teen drama One Tree Hill helped Sophia Bush become well-known.

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The part opened up a lot of opportunities for Bush, who went on to feature in movies including Stay Alive and John Tucker Must Die.

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Bush currently enjoys a happy marriage to businessman Grant Hughes.

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She is also a highly outspoken activist who frequently shares her passion for certain causes.

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Bush is still acting and hasn't been afraid to talk about his time on One Tree Hill.

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What has Sophia Bush been up to since the nine-year run of One Tree Hill concluded.

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Bush's cinematic career began in 2002 when she costarred with Ryan Reynolds in National Lampoon's Van Wilder.

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She made guest appearances on shows including Sabrina the Teenage Witch, Nip/Tuck, and the HBO feature Point of Origin.

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Kate Brewster was portrayed by Bush in Terminator 3: Rise of the Machines.

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But because she was too young for the part, director Jonathan Mostow had her film for a week instead.

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